FR673231A - Improvements to manufacturing systems for magnetic cores for electrical devices - Google Patents

Improvements to manufacturing systems for magnetic cores for electrical devices

Info

Publication number
FR673231A
FR673231A FR673231DA FR673231A FR 673231 A FR673231 A FR 673231A FR 673231D A FR673231D A FR 673231DA FR 673231 A FR673231 A FR 673231A
Authority
FR
France
Prior art keywords
electrical devices
magnetic cores
manufacturing systems
systems
manufacturing
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
Other languages
French (fr)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Compagnie Francaise Thomson Houston SA
Original Assignee
Compagnie Francaise Thomson Houston SA
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Compagnie Francaise Thomson Houston SA filed Critical Compagnie Francaise Thomson Houston SA
Application granted granted Critical
Publication of FR673231A publication Critical patent/FR673231A/en
Expired legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01FMAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00Details of transformers or inductances, in general
    • H01F27/24Magnetic cores
    • H01F27/245Magnetic cores made from sheets, e.g. grain-oriented

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
FR673231D 1928-04-06 1929-04-04 Improvements to manufacturing systems for magnetic cores for electrical devices Expired FR673231A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US673231XA 1928-04-06 1928-04-06

Publications (1)

Publication Number Publication Date
FR673231A true FR673231A (en) 1930-01-13

Family

ID=22075220

Family Applications (1)

Application Number Title Priority Date Filing Date
FR673231D Expired FR673231A (en) 1928-04-06 1929-04-04 Improvements to manufacturing systems for magnetic cores for electrical devices

Country Status (1)

Country Link
FR (1) FR673231A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4295112A (en) * 1978-08-30 1981-10-13 Mitsubishi Denki Kabushiki Kaisha Residual current transformer
WO1992022744A1 (en) * 1991-06-13 1992-12-23 Robert Bosch Gmbh Coil core with earth contact

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4295112A (en) * 1978-08-30 1981-10-13 Mitsubishi Denki Kabushiki Kaisha Residual current transformer
WO1992022744A1 (en) * 1991-06-13 1992-12-23 Robert Bosch Gmbh Coil core with earth contact
US5398014A (en) * 1991-06-13 1995-03-14 Robert Bosch Gmbh Core having earth contacting

Similar Documents

Publication Publication Date Title
FR699766A (en) Improvements to protection systems for electrical circuits
FR673231A (en) Improvements to manufacturing systems for magnetic cores for electrical devices
FR680451A (en) Improvements to magnetic cores for electrical devices
FR671930A (en) Case for projection devices
FR645142A (en) Flush-mounted box for electrical devices
FR652583A (en) Improvements to electrical recording devices
FR673961A (en) Improvements to amplifier systems for low electric currents
FR638449A (en) Improvements to winding devices
FR645931A (en) Improvements to push-button switches for electrical installations
FR707869A (en) Windings for electrical devices
FR691050A (en) Improvements to electric induction devices, especially transformers
FR619290A (en) Metal cores for electromagnetic devices
FR654578A (en) Regulator for electrical devices
FR637872A (en) Improvements to pantograph devices for multiple reproductions
FR679137A (en) Improvements to protection systems for electrical circuits
FR693575A (en) Agglomerated magnetic core
FR666881A (en) Porcelain bushings for electrical applications
FR33993E (en) Metal cores for electromagnetic devices
FR641735A (en) Extra-light coil for cables
FR703307A (en) Improvements to coils for radio-electric devices
FR688301A (en) Improvements made to cores for electrical transformers
FR662720A (en) Improvements in insulating materials for electrical devices
FR560498A (en) Improvements to twisting devices for the manufacture of coil springs
FR586216A (en) Coil casing for electrical devices
FR674510A (en) Improvements to magnetic cores